| 氰化尾渣提金选矿试验研究 |
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| 引用本文： | 张博,张雁生,张家明,李腾飞,覃文庆. 氰化尾渣提金选矿试验研究[J]. 矿冶工程, 2017, 37(6): 60-62. DOI: 10.3969/j.issn.0253-6099.2017.06.015 |
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| 作者姓名： | 张博 张雁生 张家明 李腾飞 覃文庆 |
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| 作者单位： | 中南大学 资源加工与生物工程学院, 湖南 长沙 410083 |
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| 摘 要： | 针对某含金3.45 g/t的氰化尾渣开展了提金选矿试验研究。结果表明, 以水玻璃为脉石抑制剂和矿浆分散剂, 硫酸为pH调整剂, 硫酸铜和硫酸铵为载金矿物活化剂, 丁钠黄药和25#黑药为组合捕收剂, 经一粗一扫二精闭路浮选, 可得到金品位15.76 g/t、金回收率60.44%的金精矿。
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| 关 键 词： | 氰化尾渣 提金 金精矿 浮选 组合活化剂 组合捕收剂 |
| 收稿时间： | 2017-05-30 |
Flotation Technology for Gold Reclaiming from Cyanide Tailings |
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| ZHANG Bo,ZHANG Yan-sheng,ZHANG Jia-ming,LI Teng-fei,QIN Wen-qing. Flotation Technology for Gold Reclaiming from Cyanide Tailings[J]. Mining and Metallurgical Engineering, 2017, 37(6): 60-62. DOI: 10.3969/j.issn.0253-6099.2017.06.015 |
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| Authors: | ZHANG Bo ZHANG Yan-sheng ZHANG Jia-ming LI Teng-fei QIN Wen-qing |
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| Affiliation: | School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China |
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| Abstract: | Mineral processing experiments were conducted to reclaim gold from cyanide tailings with gold grade of 3.45 g/t. Using sodium silicate as gangue depressant and pulp dispersant, H2SO4 as pH regulator, CuSO4 and (NH4)2SO4 as activators for gold-bearing minerals, C4H9OCSSNa and (C7H7O)2PSSH as a combined collector, a closed-circuit flotation test by adopting a flowsheet consisting of one stage of roughing, one stage of scavenging and two stages of cleaning resulted in a gold concentrate approaching 15.76 g/t Au at 60.44% recovery. |
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| Keywords: | cyanide tailings gold reclaiming gold concentrate flotation combined activator combined collector |
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